diff --git a/scripts/build_android.sh b/scripts/build_android.sh
index 3c01780..cf6274b 100755
--- a/scripts/build_android.sh
+++ b/scripts/build_android.sh
@@ -47,6 +47,7 @@ if [ "$FORMAT" = "aab" ]; then
   cd "$APP_DIR"
   flutter build appbundle \
     --release \
+    --no-pub \
     --dart-define-from-file=config/config.json \
     --split-debug-info="$DEBUG_INFO_DIR" \
     --obfuscate
@@ -57,6 +58,7 @@ else
   cd "$APP_DIR"
   flutter build apk \
     --release \
+    --no-pub \
     --dart-define-from-file=config/config.json \
     --split-debug-info="$DEBUG_INFO_DIR" \
     --obfuscate
diff --git a/scripts/build_ios.sh b/scripts/build_ios.sh
index bcf2b60..b0c5106 100644
--- a/scripts/build_ios.sh
+++ b/scripts/build_ios.sh
@@ -41,6 +41,7 @@ cd "$APP_DIR"
 
 flutter build ipa \
   --release \
+  --no-pub \
   --dart-define-from-file=config/config.json \
   --split-debug-info="$DEBUG_INFO_DIR" \
   --obfuscate
diff --git a/scripts/build_macos.sh b/scripts/build_macos.sh
index 4ffef82..26f30b1 100644
--- a/scripts/build_macos.sh
+++ b/scripts/build_macos.sh
@@ -37,6 +37,7 @@ cd "$APP_DIR"
 
 flutter build macos \
   --release \
+  --no-pub \
   --dart-define-from-file=config/config.json \
   --split-debug-info="$DEBUG_INFO_DIR" \
   --obfuscate
diff --git a/scripts/build_windows.sh b/scripts/build_windows.sh
index d59d24c..44916ed 100644
--- a/scripts/build_windows.sh
+++ b/scripts/build_windows.sh
@@ -39,6 +39,7 @@ cd "$APP_DIR"
 
 flutter build windows \
   --release \
+  --no-pub \
   --dart-define-from-file=config/config.json \
   --split-debug-info="$DEBUG_INFO_DIR" \
   --obfuscate
diff --git a/scripts/pre-commit b/scripts/pre-commit
new file mode 100644
index 0000000..7502da0
--- /dev/null
+++ b/scripts/pre-commit
@@ -0,0 +1,60 @@
+#!/bin/bash
+# Git pre-commit hook：提交前自动 format，analyze 有 error 则拦截提交
+#
+# 安装：bash scripts/setup.sh（setup.sh 自动把本文件复制到 .git/hooks/pre-commit）
+# 手动安装：cp scripts/pre-commit .git/hooks/pre-commit && chmod +x .git/hooks/pre-commit
+
+set -euo pipefail
+
+ROOT_DIR="$(git rev-parse --show-toplevel)"
+DART="$(command -v dart 2>/dev/null || echo "")"
+
+if [[ -z "$DART" ]]; then
+  echo "[pre-commit] dart not found, skipping checks."
+  exit 0
+fi
+
+# ── pubspec.lock 保护 ────────────────────────────────────────────────────────
+# flutter run / flutter build 会在未经授权的情况下触发 pub get 并修改 lock。
+# 规则：lock 有未暂存的改动（意外修改）→ 自动还原；
+#       开发者主动 git add pubspec.lock 后（暂存）→ 正常放行。
+LOCK_UNSTAGED=$(git diff --name-only pubspec.lock 2>/dev/null || true)
+LOCK_STAGED=$(git diff --cached --name-only pubspec.lock 2>/dev/null || true)
+
+if [[ -n "$LOCK_UNSTAGED" && -z "$LOCK_STAGED" ]]; then
+  git checkout HEAD -- pubspec.lock
+  echo "[pre-commit] pubspec.lock was auto-modified by flutter, restored to HEAD."
+  echo "  To intentionally update: run 'dart pub get' or 'dart pub upgrade',"
+  echo "  then 'git add pubspec.lock' before committing."
+fi
+
+# ── dart format + analyze ────────────────────────────────────────────────────
+STAGED_DART=$(git diff --cached --name-only --diff-filter=ACM | grep '\.dart$' || true)
+
+if [[ -z "$STAGED_DART" ]]; then
+  exit 0
+fi
+
+echo "[pre-commit] formatting staged dart files..."
+echo "$STAGED_DART" | xargs dart format --line-length=80
+echo "$STAGED_DART" | xargs git add
+
+echo "[pre-commit] running dart analyze..."
+cd "$ROOT_DIR"
+
+ANALYZE_OUTPUT=$(dart analyze 2>&1)
+
+if echo "$ANALYZE_OUTPUT" | grep -q "^  error"; then
+  echo "[pre-commit] dart analyze found errors, commit blocked."
+  echo "$ANALYZE_OUTPUT" | grep "^  error"
+  exit 1
+fi
+
+if echo "$ANALYZE_OUTPUT" | grep -q "^  warning"; then
+  echo "[pre-commit] dart analyze found warnings, commit blocked."
+  echo "$ANALYZE_OUTPUT" | grep "^  warning"
+  exit 1
+fi
+
+echo "[pre-commit] all checks passed."
+exit 0